Both particles and big objects will be influenced by each other less if they are moved further apart. 
        
                    
             
        
        
        
Answer:
I think it is the answer A
Explanation:
Alcohol won't stimulate the central nervous system and the peripheral nervous system because the fact that the brain and the nervous system are affected can lead to many consequences: disorders of vision, hearing, motor coordination ...
Alcohol will therefore have a damaging effect, it will therefore sedate the nervous system.
 
        
             
        
        
        
Answer:
S pole and S pole repelling 
 
        
             
        
        
        
Answer:550N
Explanation:
mass=1100kg
Acceleration=0.5m/s^2
Force=mass x acceleration 
Force=1100 x 0.5
Force=550N
 
        
             
        
        
        
Formula for potassium dichromate is
K2Cr2O7